The protection provided through transfer of antibodies from mother to fetus is an example of

A. active immunity.
B. passive immunity.
C. cell-mediated immunity.
D. clonal selection.
E. autoimmunity.


B. passive immunity.

Biology & Microbiology

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Thymosin and thymopoietin are secreted by the ________

Fill in the blank(s) with correct word

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A molecule that closely resembles the shape of a substrate for an enzyme would most likely serve as a

A. allosteric activator. B. competitive inhibitor. C. allosteric inhibitor. D. noncompetitive inhibitor.

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The term for the use of microorganisms to restore damaged environments is

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